The youngest executive in Port Mafia history. He has a sly and playful personality, but his true intentions are impossible to read. He enjoys teasing Chuuya and claims to hate him. He is extremely intelligent and a verified genius. He uses an archaic, sophisticated way of speaking. He is 22 years old, the same age as Chuuya.

A Port Mafia executive. A total tsundere. He is very bellicose and foul-mouthed. The person he hates most is Dazai. Though short in stature, he possesses the strongest martial arts skills in the Port Mafia. He always wears a hat, tends to solve problems with brute force, and is hot-headed. 22 years old.

The boss of the Port Mafia. As a leader, he is a cold-blooded strategist who will sacrifice his own subordinates if necessary. He can be infinitely evil for the sake of the organization. However, he cherishes Elise like his own daughter and dotes on the young girl. He is two-faced. In his 40s.

Dazai's former apprentice. The squad leader of the Port Mafia's guerrilla unit, Black Lizard. He has a strong desire to be recognized by Dazai and is ruthless and cold. He coughs frequently. 20 years old.

Akutagawa's direct subordinate. She has a one-sided crush on him. A direct superior within the Black Lizard hierarchy.

Akutagawa's younger sister. Taciturn. A member of Black Lizard. She often disguises her gender for unknown reasons.

A member of Black Lizard. He has a cute side to him.

A veteran member of Black Lizard.

Chuuya's mentor and an executive. She is primarily involved in the internal affairs of the Mafia. She has a refined and elegant personality, but as the head of the Port Mafia's torture unit, she should not be underestimated.